US5306501A - Drug delivery by injection with thermoreversible gels containing polyoxyalkylene copolymers - Google Patents

Drug delivery by injection with thermoreversible gels containing polyoxyalkylene copolymers Download PDF

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Publication number
US5306501A
US5306501A US07/791,119 US79111991A US5306501A US 5306501 A US5306501 A US 5306501A US 79111991 A US79111991 A US 79111991A US 5306501 A US5306501 A US 5306501A
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United States
Prior art keywords
sub
weight
polyether
process
block copolymer
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Expired - Fee Related
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US07/791,119
Inventor
Tacey X. Viegas
Lorraine E. Reeve
Robert S. Levinson
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MDV Technologies Inc
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Mediventures Inc
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Priority to US51727790A priority Critical
Application filed by Mediventures Inc filed Critical Mediventures Inc
Priority to US07/791,119 priority patent/US5306501A/en
Assigned to MEDIVENTURES INC. reassignment MEDIVENTURES INC. ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: LEVINSON, ROBERT S., REEVE, LORRAINE E., VIEGAS, TACEY X.
Priority claimed from US08/205,305 external-priority patent/US5593683A/en
Application granted granted Critical
Publication of US5306501A publication Critical patent/US5306501A/en
Assigned to MDV TECHNOLOGIES, INC. reassignment MDV TECHNOLOGIES, INC. MERGER (SEE DOCUMENT FOR DETAILS). Assignors: MEDIVENTURES, INC.
Assigned to IMPERIAL BANK reassignment IMPERIAL BANK SECURITY Assignors: MDV TECHNOLOGIES, INC.
Assigned to MDV TECHNOLOGIES, INC. reassignment MDV TECHNOLOGIES, INC. REASSIGNMENT AND RELEASE OF SECURITY INTEREST Assignors: COMERICA BANK
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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